Does the danger sidekick 3 use a sim card?

The Danger Sidekick 3 uses a SIM card. The Sidekick 3 operates on the GSM/GPRS/EDGE platform. All GSM mobile telephones use SIM cards. In the United States, the Sidekick 3 is sold exclusively throu...
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Will a t mobile sidekick 3 work with an at&t sim card?

It is possible to use a T-Mobile Sidekick with an AT&T SIM card. The Sidekick works at 900/1800/1900 megahertz and AT&T also uses 1900 megahertz. You will need to unlock the phone, however, before ...
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Does an unlocked sidekick id work with an at&t sim card?

An unlocked Sidekick ID will work with an AT&T sim card. The Sidekick is a dual band GSM-compatible cellular telephone that operates at either 850 or 1,900 Megahertz. AT&T's cellular phone service ...
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